536209 has 4 divisors (see below), whose sum is σ = 541620. Its totient is φ = 530800.

The previous prime is 536203. The next prime is 536213. The reversal of 536209 is 902635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 230400 + 305809 = 480^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 536209 - 2⁹ = 535697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (135405).

2⁵³⁶²⁰⁹ is an apocalyptic number.

It is an amenable number.

536209 is a deficient number, since it is larger than the sum of its proper divisors (5411).

536209 is a wasteful number, since it uses less digits than its factorization.

536209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 536209 is about 732.2629309203. The cubic root of 536209 is about 81.2415186413.

The spelling of 536209 in words is "five hundred thirty-six thousand, two hundred nine".